Poconta. ] _ ORCHIDACES. : 215 
\ 20.SARCANTHOS, Lindl.; Fl. Brit. Ind. v1, 66, 
- Epiphytic herbs, with usually elongate stems. Leaves fleshy* 
terete or flat. Flowers in extra-axillary racemes or panicles. Sepals. 
subequal, spreading or reflexed, or the dorsal one concave and 
connivent over the column. Petals smaller than the sepals, spread- 
ing. Lip adnate to the base of the column, or to its foot, rarely 
jointed, the base with a funnel-shaped spur sometimes dilated at 
its apex, the opening more or less occluded by calli on its anterior 
and posterior walls, and always divided into two lateral compart- 
ments by a vertical antero-posterior septum ; lateral lobes small 
more or less triangular and acute; apical lobe small, triangular 
or hastate. Column short, stout, often with a foot as long as or 
longer than itself. Anther depressed ; pollinia 2, bifid.—Species 
about 35, in E. Trop. Asia. 
S. insectifer, Reicht. f. in Bot. Zeit. 159; F. B. I. vi, 68; 
Duthie Ann. R. Bot. Card. Cale. ix, part 2, 149 ; Prain Beng. Pl. 
1023. 
Stem | ft. or more in length, robust, scandent, flexuous, emitting many 
elongate fibres. Leaves firmly coriaceous, crowded, almost imbricate, 
3-2 m. long, distichously spreading, oblong, amplexicaul, apex 
obtusely 2-lobed. Racemes shorter than the leaves, subsessile, 
few-flowered, decurved; rhachis stout; bracts minute, deciduous. 
Flowers about 4 in. across; sepals and petals 3-nerved, yellowish- 
green, striated with red. Sepals ovate-oblong, obtuse or subacute. 
Petals oblong. Lip white and pink, or purple; side-lobes short ; 
terminal lobe larger than the sepals, triangular-ovate or cordate. 
Spur vertically septate, its mouth with a pubescent ridge. Column 
very short. Anther hemispheric. Pollinia sulcate, attached to a 
short caudicle broader than long; gland transverse, membranous. 
N. Oudh, in the Bahraich district (Duthie). Flowersin Sep. Disrrtp. : 
Garhwal, inthe Ramganga valley, also in Chota Nagpur, Behar, 
Cachar, Chittagong, Sundribans, extending to Tenasserim. 
21. POGONIA, Juss.; Fl. Brit. Ind. vi, 118. 
Terrestrial unifoliolate tuberous-rooted herbs ; tuber stoloni- 
ferous, each stolon bearing at its tip a tuber smaller than that 
ofthe parent. Leaf broadly cordate or orbicular, strongly plicate, 
rising from the same tuber as the flowers, but usually after the 
